Protein Name:
Methionine S-methyltransferase
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UniprotKB/SwissProt ID: Q9LTB2 (Q9LTB2)
Gene Name:
MMT1
Organism: Arabidopsis thaliana (Mouse-ear cress)
Function: Catalyzes the S-methylmethionine (SMM) biosynthesis from adenosyl-L-homocysteine (AdoMet) and methionine. SMM biosynthesis (by MMT1) and degradation (by HMT-1, HMT-2 and HMT-3) constitute the SMM cycle in plants, which is probably required to achieve short term control of AdoMet level. Also able to catalyze the selenium-methylmethionine (SeMM) from AdoMet and selenium-methionine (SeMet). May play a role in phoem sulfur transport; such function is however not essential
Other Modifications: View all modification sites in dbPTM
Protein Subcellular Localization: Cytoplasm
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Graphical Visualization of S-nitrosylation Sites:
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